Alphabet is mostly a collection of companies. The largest of which, of course, is Google. This newer Google is a bit slimmed down, with the companies that are pretty far afield of our main Internet products contained in Alphabet instead. […] Fundamentally, we believe this allows us more management scale, as we can run things independently that aren’t very related. Alphabet is about businesses prospering through strong leaders and independence. In general, our model is to have a strong CEO who runs each business, with Sergey and me in service to them as needed.

Google China moved its servers from mainland China to Hong Kong in 2010 when the company refused to comply with search censorship. In June last year, China users also lost access to google.com.hk, and all of its online services have been banned in the country as well.